// 天地图地理标注
define(
		[ "dojo/_base/declare", "esri/layers/tiled" ],
		function(declare) {
			return declare(
					esri.layers.TiledMapServiceLayer,
					{
						constructor : function() {
							this.spatialReference = new esri.SpatialReference({
								wkid : 4326
							});
							this.initialExtent = (this.fullExtent = new esri.geometry.Extent(
									-180.0, -90.0, 180.0, 90.0,
									this.spatialReference));

							this.tileInfo = new esri.layers.TileInfo({
								"rows" : 256,
								"cols" : 256,
								"compressionQuality" : 0,
								"origin" : {
									"x" : -180,
									"y" : 90
								},
								"spatialReference" : {
									"wkid" : 4326
								},
								"lods" : [ {
									"level" : 2,
									"resolution" : 0.3515625,
									"scale" : 147748796.52937502
								}, {
									"level" : 3,
									"resolution" : 0.17578125,
									"scale" : 73874398.264687508
								}, {
									"level" : 4,
									"resolution" : 0.087890625,
									"scale" : 36937199.132343754
								}, {
									"level" : 5,
									"resolution" : 0.0439453125,
									"scale" : 18468599.566171877
								}, {
									"level" : 6,
									"resolution" : 0.02197265625,
									"scale" : 9234299.7830859385
								}, {
									"level" : 7,
									"resolution" : 0.010986328125,
									"scale" : 4617149.8915429693
								}, {
									"level" : 8,
									"resolution" : 0.0054931640625,
									"scale" : 2308574.9457714846
								}, {
									"level" : 9,
									"resolution" : 0.00274658203125,
									"scale" : 1154287.4728857423
								}, {
									"level" : 10,
									"resolution" : 0.001373291015625,
									"scale" : 577143.73644287116
								}, {
									"level" : 11,
									"resolution" : 0.0006866455078125,
									"scale" : 288571.86822143558
								}, {
									"level" : 12,
									"resolution" : 0.00034332275390625,
									"scale" : 144285.93411071779
								}, {
									"level" : 13,
									"resolution" : 0.000171661376953125,
									"scale" : 72142.967055358895
								}, {
									"level" : 14,
									"resolution" : 8.58306884765625e-005,
									"scale" : 36071.483527679447
								}, {
									"level" : 15,
									"resolution" : 4.291534423828125e-005,
									"scale" : 18035.741763839724
								}, {
									"level" : 16,
									"resolution" : 2.1457672119140625e-005,
									"scale" : 9017.8708819198619
								}, {
									"level" : 17,
									"resolution" : 1.0728836059570313e-005,
									"scale" : 4508.9354409599309
								}, {
									"level" : 18,
									"resolution" : 5.3644180297851563e-006,
									"scale" : 2254.4677204799655
								} ]
							});

							this.loaded = true;
							this.onLoad(this);
						},

						getTileUrl : function(level, row, col) {
							return "http://t"
									+ row
									% 8
									+ ".tianditu.cn/cva_c/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TILEMATRIXSET=c&TILEMATRIX="
									+ level + "&TILEROW=" + row + "&TILECOL="
									+ col + "&FORMAT=tiles";

						}
					});
		});